App Dev Worksheet: Accessibility

App development lesson 13: Accessibility · Set 352 · 40 questions

Developer's tip (Design for everyone): Our rule: text is at least 16 px; every icon has a text label for screen readers. Add captions to videos; never use colour as the only clue. Big touch targets and strong contrast help everyone.

1. 1.♿ What should every icon-only button have for screen readers? (a) a long animation (b) a sound (c) a bright colour (d) a text label
2. 2.♿ Showing right or wrong only in red and green is a problem for ___. (a) the server (b) the battery (c) fast typists (d) colour-blind users
3. 3.♿ Accessibility means an app works for ___. (a) everyone (b) nobody (c) only experts (d) only the coder
4. 4.🔍 Which is the odd one out? (a) strong colour contrast (b) fast-flashing lights (c) tiny tap areas (d) colour as the only clue
5. 5.♿ Does this help everyone, or make the app harder to use: strong colour contrast? (a) helps everyone (b) makes it harder
6. 6.Which of these makes the app harder to use? (a) tiny tap areas (b) big touch targets (c) text that can grow (d) labels on every icon
7. 7.♿ A screen has 7 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
8. 8.Which of these helps everyone use the app? (a) icons with no labels (b) fast-flashing lights (c) big touch targets (d) tiny tap areas
9. 9.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
   Menu: 26 px
   Caption: 14 px
   Label: 21 px (a) Menu (b) Caption (c) Label
10. 10.♿ Does this help everyone, or make the app harder to use: labels on every icon? (a) helps everyone (b) makes it harder
11. 11.♿ A screen has 12 icon buttons. Only 5 of them have a text label for screen readers. How many still need a label?
12. 12.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 11 px
    Hint: 15 px
    Label: 15 px
    Body text: 10 px
    Caption: 16 px
13. 13.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Label: 22 px
    Caption: 13 px
    Footer: 18 px
    Title: 27 px
    Menu: 20 px (a) Label (b) Title (c) Caption (d) Footer
14. 14.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 18 px
    Menu: 11 px
    Body text: 26 px
    Title: 25 px (a) Hint (b) Body text (c) Menu (d) Title
15. 15.♿ Does this help everyone, or make the app harder to use: tiny tap areas? (a) makes it harder (b) helps everyone
16. 16.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) strong colour contrast (d) sudden loud sounds
17. 17.True or false: “fast-flashing lights” helps everyone use the app. (a) False (b) True
18. 18.🔍 Which is the odd one out? (a) big touch targets (b) text that can grow (c) labels on every icon (d) icons with no labels
19. 19.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 14 px
    Body text: 27 px
    Caption: 20 px
    Title: 19 px (a) Body text (b) Caption (c) Hint (d) Title
20. 20.True or false: “big touch targets” makes the app harder to use. (a) True (b) False
21. 21.♿ A screen has 12 icon buttons. Only 2 of them have a text label for screen readers. How many still need a label?
22. 22.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Footer: 13 px
    Menu: 12 px
    Label: 23 px
23. 23.Which of these makes the app harder to use? (a) text that can grow (b) labels on every icon (c) icons with no labels (d) captions on videos
24. 24.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Hint: 19 px
    Menu: 27 px
    Footer: 9 px (a) Menu (b) Hint (c) Footer
25. 25.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 12 px
    Hint: 25 px
    Caption: 27 px
    Label: 17 px (a) Title (b) Label (c) Caption (d) Hint
26. 26.Which of these helps everyone use the app? (a) tiny tap areas (b) icons with no labels (c) captions on videos (d) fast-flashing lights
27. 27.♿ Does this help everyone, or make the app harder to use: sudden loud sounds? (a) helps everyone (b) makes it harder
28. 28.♿ Does this help everyone, or make the app harder to use: big touch targets? (a) helps everyone (b) makes it harder
29. 29.True or false: “strong colour contrast” makes the app harder to use. (a) True (b) False
30. 30.🔍 Which is the odd one out? (a) text that can grow (b) strong colour contrast (c) captions on videos (d) colour as the only clue
31. 31.♿ Our rule: text is at least 16 px. Which text on this screen is too small?
    Title: 26 px
    Hint: 13 px
    Label: 17 px (a) Title (b) Hint (c) Label
32. 32.True or false: “captions on videos” makes the app harder to use. (a) False (b) True
33. 33.True or false: “colour as the only clue” helps everyone use the app. (a) False (b) True
34. 34.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
35. 35.🔍 Which is the odd one out? (a) colour as the only clue (b) labels on every icon (c) tiny tap areas (d) icons with no labels
36. 36.♿ What does a screen reader do? (a) takes photos (b) plays music (c) reads the screen aloud (d) makes text tiny
37. 37.♿ Does this help everyone, or make the app harder to use: text that can grow? (a) makes it harder (b) helps everyone
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Menu: 11 px
    Title: 11 px
    Hint: 22 px
    Caption: 13 px
39. 39.♿ Why add captions to videos? (a) to slow them down (b) so anyone can follow (c) to hide the sound (d) to add colour
40. 40.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Body text: 15 px
    Title: 24 px
    Label: 18 px

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